Briefly, this error occurs when there is a problem migrating machine learning configurations during an Elasticsearch upgrade. This could be due to incompatible configurations, insufficient permissions, or network issues. To resolve this, ensure that the user has the correct permissions to perform the migration. Check the network connectivity between the nodes. Also, verify the compatibility of your configurations with the new version of Elasticsearch. If the problem persists, consider resetting your machine learning configurations to default and reconfiguring them after the upgrade.
This guide will help you check for common problems that cause the log ” error migrating ml configurations ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “error migrating ml configurations” classname is MlAssignmentNotifier.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
}
mlConfigMigrator.migrateConfigs(
event.state();
ActionListener.wrap(response -> threadPool.executor(executorName()).execute(() -> auditChangesToMlTasks(event)); e -> {
logger.error("error migrating ml configurations"; e);
threadPool.executor(executorName()).execute(() -> auditChangesToMlTasks(event));
})
);
}
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